[PATCH] D76683: [ARM][MVE] Add HorizontalReduction flag

[Sam Parker via Phabricator via llvm-commits]

samparker created this revision.
samparker added reviewers: dmgreen, SjoerdMeijer, simon_tatham.
Herald added subscribers: hiraditya, kristof.beyls.

Add a target flag for instructions that reduce into one, or more, scalar reg(s), including variants of:

- VADDV
- VABAV
- VMINV/VMAXV
- VMLADAV


https://reviews.llvm.org/D76683

Files:
  llvm/lib/Target/ARM/ARMInstrFormats.td
  llvm/lib/Target/ARM/ARMInstrMVE.td
  llvm/lib/Target/ARM/MCTargetDesc/ARMBaseInfo.h
  llvm/unittests/Target/ARM/MachineInstrTest.cpp

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